GENEAread: a package to process binary accelerometer output files.

Description

This is a package to process binary output files from the GENEA accelerometer data. The main functions are:

read.bin
stft
epoch.apply

Details

Main tasks performed

The main tasks performed by the package are listed below. The relevant topic contains documentation and examples for each.

Extraction of file header material

is accomplished by header.info.

Input and downsampling of data

is accomplished by read.bin.

Selection of time intervals

is accomplished via get.intervals.

Computation of epochal summaries

is accomplished by epoch.apply and other functions documented therein.

Computation of STFT analyses

is accomplished by stft.

Classes implemented

The package provides definitions and methods for the following S3 classes:

GRtime:

Provides numeric storage and streamlined plotting for times. GRtime

AccData:

Stores GENEA accelerometer data, allowing plotting, subsetting and other computation. AccData

VirtAccData:

A virtual AccData object, for just-in-time data access via get.intervals.

stft:

Processed STFT outputs, for plotting via plot.stft.

Author(s)

Zhou Fang <zhou@activinsights.co.uk> ActivInsights Ltd. <joss.langford@activinsights.co.uk>

Results